class Solution {
public:
vector<int> swapNumbers(vector<int>& numbers) {
}
};
面试题 16.01. 交换数字
编写一个函数，不用临时变量，直接交换numbers = [a, b]中a与b的值。
示例：
输入: numbers = [1,2] 输出: [2,1]
提示：
numbers.length == 2-2147483647 <= numbers[i] <= 2147483647原站题解
golang 解法, 执行用时: 0 ms, 内存消耗: 1.9 MB, 提交时间: 2021-06-08 14:21:37
func swapNumbers(numbers []int) []int {
numbers[0] = numbers[0] ^ numbers[1]
numbers[1] = numbers[0] ^ numbers[1]
numbers[0] = numbers[0] ^ numbers[1]
return numbers
}
golang 解法, 执行用时: 0 ms, 内存消耗: 1.9 MB, 提交时间: 2021-06-08 14:20:43
func swapNumbers(numbers []int) []int {
numbers[0], numbers[1] = numbers[1], numbers[0]
return numbers
}